Finding the Fourth Proportional to 1,669.38, 2,501.31 and 1,180.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669.38 : 2,501.31 = 1,180.02 : x
2. Step 2: Convert to fraction form
   1,669.38/2,501.31 = 1,180.02/x
3. Step 3: Cross multiply
   1,669.38x = 2,501.31 × 1,180.02
4. Step 4: Simplify right side
   1,669.38x = 2,951,595.83
5. Step 5: Solve for x
   x = 2,951,595.83/1,669.38
6. Step 6: Final answer
   x = 1,768.08